The rapid development of flexible electronics has imposed demands on the comprehensive properties of conductive materials. This paper systematically reviews the synergistic design strategies of conductive nanocomposites based on zero‐dimensional (0D), one‐dimensional (1D), and two‐dimensional (2D) nanomaterials, covering their preparation methods, synergistic mechanisms, electronic and mechanical properties, and cutting‐edge applications in flexible electronics. By integrating the high electrical conductivity of 0D nanoparticles, the strain dissipation ability of 1D nanostructures, and the chemical stability and interfacial charge transfer of 2D materials, multi‐dimensional synergistic effects can be achieved through strategies such as multi‐dimensional spatial structure regulation and interface engineering, thereby overcoming the performance limitations of single‐type materials. These effects enable a balance of electrical conductivity, flexibility, and stability via spatial complementarity of materials with different dimensions (0D filling, 1D bridging, 2D support), interface optimization (quantum confinement effect, van der Waals force regulation), and functional integration. This review establishes a universal design principle for the rational design of multi‐dimensional conductive nanomaterials for flexible electronics.
Wang et al. (Wed,) studied this question.